Greggs vs McDonald's: The Fast Feud

How did Greggs steal McDonald's fast food crown and how is McDonald's fighting back? Dani Dyer explores this extraordinary fast food feud.

• Director: John MacLaverty
• Cast: Dani Dyer, Nigella Lawson, Luke Cutforth, Mike Hughes, Harry Wallop, Blonnie Whist, Amy North, Josh Barrie